A southwesterly, very strong and very variable flow prevails over the whole area.
For Formerum, Terschelling :
Warning fresh gale offshore.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
In the evening, very cloudy skies becoming totally overcast.
No precipitation. SSW wind force 7. Gusts reaching 48 knots in the evening. Moderate sea. Low, fairly long swell from W. Excellent visibility.